IT7900 Regenerative Grid Simulator

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IT7900 Regenerative Grid Simulator

• Up to 21 kVA at 3U
• Voltage can reach 350V L-N
• Highly efficient power regeneration + AC E-Load
• Master and slave equal flow, parallelmachines up to 1MVA
• Working mode: single-phase, three-phase, reversed phase and multi-channel, Voltage extension to 200% of rated voltage in reversed mode

  • All in one unit
  • High power regeneration efficiency
  • High power density
  • Various test items
  • Multiple protection and communication interfaces
  • Power extension by master-slave parallel connection
  • 4-Quadrant output
  • Full 4-Quadrant Power Amplifier
  • AC,DC,AC+DC,DC+AC four working mode
  • Data record
  • Harmonic analysis
  • Simulate power grid and low voltage ride through (LVRT) testing
  • LIST/SWEEP/Surge & Sag modes
  • Intuitive software interface
  • Pre-compliance regulation test

Parameter Features

  • Adopt advanced SiC technology
  • High power density, up to 21 kVA for 3U
  • Voltage can reach 350V L-N
  • Highly efficient power regeneration
  • Master and slave equal flow, parallel machines up to 1MVA
  • Comprehensive working modes selectable: single-phase, three-phase, reversed phase and multi-channel, Voltage extension to 200% of rated voltage in reversed mode
  • Support LIST/SWEEP/Surge&Sag three waveform modes
  • Built-in rich waveform database
  • Harmonic simulation and analysis function up to 50 times, built-in IEC61000-3-2/3-12*1
  • Can simulate arbitrary waveform output, support CSV file import waveform
  • Phase angle 0-360° settable
  • Touch screen design, simple UI interface
  • Built-in USB/CAN/LAN /Digital IO interface,optional GPIB/analog & RS232 interface
  • Full protection functions including automatic clearing,POVP ,watchdog, etc.
  • Support CANopen*2、Modbus、LXI、SCPI communication

Source Features

  • Regenerative grid simulator & full4-Quadrant AC&DC power sources
  • Frequency: 16-2400Hz *3
  • Power Amplifier function for PHiLapplications
  • Four output modes of AC/DC/AC+DC/DC+AC canbe realized
  • Programmable output impedance,simulation ofreal-world impedance
  • Harmonic/inter harmonic synthesis
  • Compliance tests incl. LVRT /PhaseJump/Frequency variation/harmonic injection
  • Supported regulatory testing includeIEC61000-4-11/4-13/4-14/4-28
  • Optional software can help complete the pre-compliance standards test of civil avionics/electrical ships in terms of the multi-national safety regulations.

Load Features

  • Regenerative full 4-Quadrant AC&DC load
  • Frequency: 16-500Hz
  • AC mode supports CC/CP/CR/CS/CC+CR/CE multiple operating modes, and CE mode can simulate a variety of circuit topologies such as single-phase rectifier RLC and shunt RLC.
  • DC mode supports 9 working modes such as CC/CR/CP/CV
  • AC mode supports both rectified and non-rectified modes
  • Adjustable crest factor: 1.414 ~ 5.0
  • Support phase shift function in the range of -180º~180º *4
  • The unit power factor1 function allows the current waveform to vary with the voltage waveform and the power factor is as close to 1 as possible
  • Supporting unloading angle control, 0-359° adjustable

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